Viega 56160 Product Instructions
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Viega 56160 Product Instructions

Hydronic mixing block
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Product
Instructions
Hydronic Mixing Block
The Hydronic Mixing Block is a mixing device and boiler control, with a built in circulator and system
controller. The block can provide either a fixed or reset water temperature via start/stop or constant fluid
circulation. The following pages outline step by step instructions for the installation, piping/wiring, and
programming of the Hydronic Mixing Block.
Wiring Terminal Block
Pressure/Temperature Sensor
Delivery Fitting (3)
¾" Solder Connection*
Return Fitting (2)
* ProPress tailpieces may be used in place of solder connections. ProPress tailpieces are available for
sale separately. See page 5 for recommendations.
Only suitably qualified individuals with formal training in electrical and HVAC controls should attempt
the installation of this equipment. Incorrect wiring and installation will affect the warranty provided
with this unit. Wiring must be completed in accordance with the codes and practices applicable to
the jurisdiction for the actual installation.
The Hydronic Mixing Block is a microprocessor based controller and as such is not to be regarded
as a safety (limit) control. Please consult and install the heating or cooling appliance in accordance
with the manufacturer's recommendations.
Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us
PI-PR 566234 1218 Hydronic Mixing Block (EN)
Display Screen
Adjustment Buttons
Fitting Clip
Supply Fitting (1)
¾" Solder Connection*
Backplate
Part No 56160
1 of 19

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Summary of Contents for Viega 56160

  • Page 1 (limit) control. Please consult and install the heating or cooling appliance in accordance with the manufacturer's recommendations. Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN)

  • Page 2: Installation

    Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 2 of 19...
  • Page 3 1½" screws (screws not included). Hydronic Mixing Block mounting holes Backplate mounting holes Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 3 of 19...
  • Page 4 Install clip with the lip facing down. Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 4 of 19...
  • Page 5 Product Instructions Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 5 of 19...
  • Page 6 Plug cord into 120 VAC Standard wall outlet (altering the cord will void the warranty). (Dry or Powered contact) Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN)
  • Page 7 4. Connect C terminal on the thermostat to terminal 2 on the Hydronic Mixing Block 120 V AC Power Supply Class II Transformer Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 7 of 19...

  • Page 8: Sensor Wiring

    Sensor Wiring Installing the Outdoor Sensor The Viega Hydronic Mixing Block includes an outdoor sensor with 10 kΩ thermistor which provides an accurate measurement of the outdoor temperature. The Outdoor Sensor is protected by a white UV resistant ABS plastic enclosure.
  • Page 9 CONDENSING or RESET boiler modes require the boiler sensor to be installed on the supply. NOTE: When extending sensor wires, use 18 gauge wire and do not extend over 500’. Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN)
  • Page 10 Product Instructions Conceptual Piping Diagram Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 10 of 19...
  • Page 11 Product Instructions Conceptual Electrical Schematic Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 11 of 19...

  • Page 12: Setup Menu

    (WWSD). Usually used with RESET mode. NOTE: This function is not available with BOILER AQUASTAT mode. Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 12 of 19...
  • Page 13 MIX MIN — The minimum supply temperature for the mixing system. Range: 50°F to 180°F Default: 70°F Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 13 of 19...

  • Page 14: Boiler Settings

    TYPE: CONDENSING — Used when the boiler is a condensing boiler that maintains its own temperature settings. Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 14 of 19...

  • Page 15: Purge Mode

    To view the STATUS screen, select BACK with the cursor arrow in the SETUP MENU and push the middle rectangular button. Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 15 of 19...

  • Page 16: Status Screen

    Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 16 of 19...

  • Page 17: Testing The Sensors

    If reading is off by ± 5% the sensor is bad. NOTE: Do not apply voltage to the sensors as this will damage them. Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN)
  • Page 18 29,996 1,281 26,099 1,172 22,763 1,073 19,900 17,436 15,311 13,474 11,883 10,501 9,299 8,250 Viega LLC • 585 Interlocken Blvd. • Broomfield, CO 80021 • Phone (800) 976-9819 • www.viega.us PI-PR 566234 1218 Hydronic Mixing Block (EN) 18 of 19...
  • Page 19 7.72" 6.66" Viega products are designed to be installed by licensed and trained plumbing and mechanical professionals who are familiar with Viega products and their installation. Installation by non-professionals may void Viega LLC’s warranty. This document is subject to updates. For the most current Viega technical literature please visit www.viega.us.

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